STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Revealing secret of lithium-rich stars by monitoring their heartbeats
Oct 07, 2020 (SPX)
Lithium-rich stars, accounting for only 1% of the total number of the low-mass evolved stars, is one example of such conflict. They preserve up to thousands of ...
Webb Telescope completes environmental testing
Oct 07, 2020 (SPX)
Webb's recent tests have validated that the fully assembled observatory will endure the deafening noise, and the jarring shakes, rattles and vibrations that the...
NASA's TESS creates a cosmic vista of the northern sky
Oct 07, 2020 (SPX)
TESS has discovered 74 exoplanets, or worlds beyond our solar system. Astronomers are sifting through some 1,200 additional exoplanet candidates, where potentia...
Gemini South's high-def version of 'A Star is Born'
Oct 07, 2020 (SPX)
Using a wide-field adaptive optics camera that corrects for distortion from Earth's atmosphere, Rice University's Patrick Hartigan and Andrea Isella and Dublin ...
Sensor with 100,000 times higher sensitivity could bolster thermal imaging
Oct 05, 2020 (SPX)
Researchers published their study in the peer-reviewed journal Nature. The team includes scientists from Harvard University, The Institute of Photonic Sciences,...
Stellar explosion in Earth's proximity
Oct 01, 2020 (SPX)
The life of stars with a mass more than ten times that of our sun ends in a supernova, a colossal stellar explosion. This explosion leads to the formation of ir...
Astrophysicist probes cosmic dark matter detector
Sep 30, 2020 (SPX)
In two recent studies, Jeremy Darling, a professor in the Department of Astrophysical and Planetary Sciences, has taken a deep look at PSR J1745-2900. This body...
Scientists precisely measure total amount of matter in the universe
Sep 29, 2020 (SPX)
Reporting in the Astrophysical Journal, the team determined that matter makes up 31% of the total amount of matter and energy in the universe, with the remainde...
Sounds from around the Milky Way
Sep 23, 2020 (NASA)
By translating the inherently digital data (in the form of ones and zeroes) captured by telescopes in space into images, astronomers create visual representatio...
Controlling ultrastrong light-matter coupling at room temperature
Sep 23, 2020 (SPX)
A set of two coupled oscillators is one of the most fundamental and abundant systems in physics. It is a very general toy model that describes a plethora of sys...
Water trapped in star dust
Sep 23, 2020 (SPX)
Important chemical processes also take place on these particles, from which complex organic - possibly even prebiotic - molecules emerge. However, for these pro...
New technology is a 'science multiplier' for astronomy
Sep 22, 2020 (SPX)
The study tracked the long-term impact of early seed funding obtained from the National Science Foundation. Many of the key advances in astronomy over the past ...
Astronomers capture stellar winds in unprecedented detail
Sep 18, 2020 (SPX)
Dying stars swell and cool to eventually become red giants. They produce stellar winds, flows of particles that the star expels, which causes them to lose mass....
Unraveling a spiral stream of dusty embers from a massive binary stellar forge
Sep 17, 2020 (SPX)
WR 112 is a binary system composed of a massive star in the very late stage of stellar evolution losing a large amount of mass and another massive star at the m...
Major NSF grant accelerates development of the Giant Magellan Telescope
Sep 17, 2020 (SPX)
These crucial advancements for the Giant Magellan Telescope (GMT) at the Las Campanas Observatory in Chile will allow astronomers to see farther into space with...
Can life survive a star's death
Sep 17, 2020 (SPX)
In a study published in the Astrophysical Journal Letters, they show how NASA's upcoming James Webb Space Telescope could find signatures of life on Earth-like ...
Neutron stars contribute little, but something's making gold
Sep 16, 2020 (SPX)
The work has produced a new-look periodic table, showing the stellar origins of naturally occurring elements from carbon to uranium. All the hydrogen in the uni...
Single photons from a silicon chip
Sep 16, 2020 (SPX)
The greatest possible compatibility with our current silicon-based electronics will be a key advantage. And that is precisely where physicists from the Helmholt...
Dark matter destruction ruled out in galactic center
Sep 15, 2020 (SPX)
In a paper published recently in the journal Physical Review D, the Kavli IPMU project researcher Oscar Macias and colleagues at other institutions report that ...
Holding up a mirror to a dark matter discrepancy
Sep 14, 2020 (SPX)
Dark matter is the invisible glue that keeps stars bound together inside a galaxy. It makes up most of a galaxy's mass and creates an invisible scaffold that te...
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